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JAEA Reports

Proceedings of the 16th Symposium on Advanced Photon Research; October 15-16, 2015, Kizugawa, Kyoto, Japan

Secretariat of Symposium on Advanced Photon Research

JAEA-Conf 2016-001, 53 Pages, 2016/03

JAEA-Conf-2016-001.pdf:6.17MB

The 16th Symposium on Advanced Photon Research was held at Kansai Photon Science Institute, Japan Atomic Energy Agency (JAEA-KPSI) in Kizugawa city, Kyoto on October 15 - 16, 2015. This report consists of invited and contributed papers presented at the oral and poster sessions in the Symposium.

Journal Articles

Laser-driven multi-charged heavy ion beam acceleration

Nishiuchi, Mamiko; Sakaki, Hironao; Esirkepov, T. Z.; Nishio, Katsuhisa; Pikuz, T. A.*; Faenov, A. Ya.*; Pirozhkov, A. S.; Sagisaka, Akito; Ogura, Koichi; Kanasaki, Masato; et al.

Research Using Extreme Light; Entering New Frontiers with Petawatt-Class Lasers II (Proceedings of SPIE, Vol.9515), p.95151D_1 - 95151D_4, 2015/06

 Times Cited Count:0 Percentile:0(Engineering, Electrical & Electronic)

Experimental demonstration of multi-charged heavy ion acceleration from the interaction between the ultra-intense short pulse laser system and the metal target is presented. The laser pulse of $$<$$10 J laser energy, 36 fs pulse width, and the contrast level of $$sim$$ 10$$^{10}$$ from 200 TW class Ti:sapphire J-KAREN laser system at JAEA is used in the experiment. Almost fully stripped Fe ions accelerated up to 0.9 GeV are demonstrated. This is achieved by the high intensity laser field of $$sim$$10$$^{21}$$Wcm$$^{-2}$$ interacting with the solid density target. The demonstrated iron ions with high charge to mass ratio (Q/M) is difficult to be achieved by the conventional heavy ion source technique in the accelerators.

Journal Articles

Enhancement of maximum attainable ion energy in the radiation pressure acceleration regime using a guiding structure

Bulanov, S. S.*; Esarey, E.*; Schroeder, C. B.*; Bulanov, S. V.; Esirkepov, T. Z.; Kando, Masaki; Pegoraro, F.*; Leemans, W. P.*

Physical Review Letters, 114(10), p.105003_1 - 105003_5, 2015/03

AA2014-0849.pdf:0.58MB

 Times Cited Count:32 Percentile:82.89(Physics, Multidisciplinary)

Journal Articles

Effect of electromagnetic pulse transverse inhomogeneity on ion acceleration by radiation pressure

Lezhnin, K.*; Kamenets, F. F.*; Beskin, V.*; Kando, Masaki; Esirkepov, T. Z.; Bulanov, S. V.

Physics of Plasmas, 22(3), p.033112_1 - 033112_9, 2015/03

 Times Cited Count:6 Percentile:28.2(Physics, Fluids & Plasmas)

Journal Articles

Acceleration of highly charged GeV Fe ions from a low-Z substrate by intense femtosecond laser

Nishiuchi, Mamiko; Sakaki, Hironao; Esirkepov, T. Z.; Nishio, Katsuhisa; Pikuz, T.*; Faenov, A.*; Skobelev, I. Yu.*; Orlandi, R.; Sako, Hiroyuki; Pirozhkov, A. S.; et al.

Physics of Plasmas, 22(3), p.033107_1 - 033107_8, 2015/03

 Times Cited Count:72 Percentile:96.78(Physics, Fluids & Plasmas)

Almost fully stripped Fe ions accelerated up to 0.9 GeV are demonstrated with a 200 TW femtosecond high-intensity laser irradiating a micron-thick Al foil with Fe impurity on the surface. An energetic low-emittance high-density beam of heavy ions with a large charge-to-mass ratio can be obtained, which is useful for many applications, such as a compact radio isotope source in combination with conventional technology.

Journal Articles

Development of beam-pointing stabilizer on a 10-TW Ti:Al${tiny 2}$O${tiny 3}$ laser system JLITE-X for laser-excited ion accelerator research

Mori, Michiaki; Pirozhkov, A.; Nishiuchi, Mamiko; Ogura, Koichi; Sagisaka, Akito; Hayashi, Yukio; Orimo, Satoshi; Fukumi, Atsushi*; Li, Z.*; Kado, Masataka; et al.

Laser Physics, 16(7), p.1092 - 1096, 2006/07

 Times Cited Count:36 Percentile:80.12(Optics)

no abstracts in English

JAEA Reports

Proceedings of 6th Symposium on Advanced Photon Research; November 4th-5th, 2004, Kizu, Japan

Kansai Research Establishment

JAERI-Conf 2005-004, 243 Pages, 2005/06

JAERI-Conf-2005-004.pdf:16.74MB

This report consists of 55 contributed papers of the 6th Symposium on Advanced Photon Research, which was held at JAERI-Kansai in Kyoto on November 4-5, 2004. The numbers of speeches were 16, including 5 invited speeches and the numbers of poster presentations were 56, including the report of presentations and cooperative research and joint research performed in FY2003.

Journal Articles

Laser driven ion acceleration

Daido, Hiroyuki

Purazuma, Kaku Yugo Gakkai-Shi, 81(4), p.261 - 269, 2005/04

This paper reviews the recent activities of laser-driven ion generation studies. First, the mechanisms of the ion generation are described including the plasma sheath model which describes energetic proton generation driven by sub-ps high energy lasers. A pre-pulse plays a significant role especially for the fs laser driven ion generation. The under-dense plasma model described here is one of the mechanisms, which utilize pre-pulses. The quasi-mono-energetic ion beam obtained theoretically and computationally is reviewed. Then the experimental results on the ion generation driven by sub-ps large energy lasers as well as fs lasers are reviewed. Although lower maximum proton energy and efficiency compared with those driven by sub-ps lasers at present, the results given by the fs lasers are precisely described because the fs lasers may be closer to real applications. Finally the present project on the ultra small ion accelerator development for cancer therapy and related topics are reviewed.

Journal Articles

Electron acceleration by a nonlinear wakefield generated by ultrashort (23-fs) high-peak-power laser pulses in plasma

Kando, Masaki; Masuda, Shinichi; Zhidkov, A.*; Yamazaki, Atsushi; Kotaki, Hideyuki; Kondo, Shuji; Homma, Takayuki*; Kanazawa, Shuhei; Nakajima, Kazuhisa; Hayashi, Yukio; et al.

Physical Review E, 71(1), p.015403_1 - 015403_4, 2005/01

 Times Cited Count:33 Percentile:77.25(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Suppression of electron scattering by the longitudinal components of tightly focused laser fields

Masuda, Shinichi; Kando, Masaki; Kotaki, Hideyuki; Nakajima, Kazuhisa

Physics of Plasmas, 12(1), p.013102_1 - 013102_6, 2005/01

 Times Cited Count:22 Percentile:57.9(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Numerical simulation of melting and evaporation of a cold foil target irradiated by a pre-pulse

Utsumi, Takayuki*; Matsukado, Koji*; Daido, Hiroyuki; Esirkepov, T. Z.; Bulanov, S. V.*

Applied Physics A, 79(4-6), p.1185 - 1187, 2004/09

 Times Cited Count:10 Percentile:40.08(Materials Science, Multidisciplinary)

no abstracts in English

JAEA Reports

Proceedings of the 5th Symposium on Advanced Photon Research; November 20th-21st, 2003, Kizu, Japan

Kansai Research Establishment

JAERI-Conf 2004-009, 285 Pages, 2004/06

JAERI-Conf-2004-009.pdf:21.5MB

no abstracts in English

JAEA Reports

JAEA Reports

JAEA Reports

Proceedings of the 2nd Symposium on Advanced Photon Research; November 9-10, 2000, Advanced Photon Research Center, Kyoto, Japan

Kansai Research Establishment

JAERI-Conf 2001-011, 334 Pages, 2001/10

JAERI-Conf-2001-011.pdf:27.01MB

This report consists of 83 contributed papers of the Second Symposium on Advanced Photon Research, which was held at JAERI Advanced Photon Research Center in Kyoto on November 9-10, 2000. The numbers of oral presentations including special invited talks and poster presentations were 22 and 73, respectively.

Journal Articles

Simulation of Photon-matter luteraction by massively parallel computer

Yamagiwa, Mitsuru

Genshiryoku eye, 46(6), p.64 - 65, 2000/06

no abstracts in English

Oral presentation

Proof of principle experiment of Laser-driven Exotic Nuclei extraction-acceleration method

Nishiuchi, Mamiko; Sakaki, Hironao; Nishio, Katsuhisa; Orlandi, R.; Sako, Hiroyuki; Pikuz, T. A.*; Faenov, A. Ya.*; Esirkepov, T. Z.; Pirozhkov, A. S.; Matsukawa, Kenya*; et al.

no journal, , 

The contemporary radiofrequency accelerator technology provides radio-isotope beams for the research. However, the existing technology now faces difficulties in exploring the further frontiers. One of the solutions might be brought by the combination of the state of the art high intensity short pulse laser system and the nuclear measurement technique. Recent progress of the laser technology brought table-top lasers with focused intensity up to 10$$^{21}$$ Wcm$$^{-2}$$ with only less than 10 J of energy on target. By the interaction with the solid density target, the laser can extract heavy ions in multi-charged state and low emittance, independently on the chemical properties of the target material. We propose Laser-driven Exotic Nuclei extraction-acceleration methods (LENex), in which the exotic nuclei which are the products in the target by the bombardment of the external ion beam, are extracted away by a femtosecond petawatt laser pulse in the form of highly-charged and high energy beam. As a proof-of-experiment of the LENex scheme, we demonstrate the extraction of the almost fully stripped iron ions with the energies of 0.9 GeV. by J-KAREN laser system.

Oral presentation

Prospects of J-KAREN upgrade and high field science

Kando, Masaki; Bolton, P.; Bulanov, S. V.; Esirkepov, T. Z.; Fukuda, Yuji; Hayashi, Yukio; Kanasaki, Masato; Kawachi, Tetsuya; Kiriyama, Hiromitsu; Koga, J. K.; et al.

no journal, , 

23 (Records 1-20 displayed on this page)